JAJSNT9J March   1998  – October 2022 CD54HC112 , CD54HCT112 , CD74HC112 , CD74HCT112

PRODMIX  

  1. 1 特長
  2. 2 概要
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
  5. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Prerequisite for Switching Characteristics
    6. 5.6 Switching Characteristics
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 サポート・リソース
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

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メカニカル・データ（パッケージ｜ピン）
  • J|16
サーマルパッド・メカニカル・データ
発注情報

7.3 Device Functional Modes

Table 7-1 Truth Table(1)
INPUTS OUTPUTS
PRE CLR CLK J K Q Q
L H X X X H L
H L X X X L H
L L X X X H(2) H(2)
H H ¯ L L No Change
H H ¯ H L H L
H H ¯ L H L H
H H ¯ H H Toggle
H H H X X No Change
(1) H = high level (steady state), L = low level (steady state), X = don’t care, ↓ = high-to-low transition
(2) Output states unpredictable if both S and R go high simultaneously after both being low at the same time.